Illegimate son of King Sweyn Estrithson of Denmark. Nephew of King Knud of England. King of Denmark as Knud IV c.1080. Married to Adela, sister of Count Roberts of Flanders (in modern Belgium. He spread the gospel through his kingdom, supported missionaries, and built churches. Tried and failed to conquer England to press his claim to the throne which he saw as his through his kinship to his uncle, King Knud. Following his defeat, he fled to the island of Fünen. Murdered with his brother and 17 followers while kneeling at an altar immediately following confession. Miracles reported at his tomb.